HVAC Controls, Pneumatic • Thermostats and Humidistats
Two-Pipe Room Thermostat CTC-1621/1622
Model Description
The CTC-1621/1622 thermostats are designed for proportional control of pneumatic valve and damper actuators in HVAC systems. They utilize a highly sensitive bimetal element with feedback and a pilot bleed relay for accuracy and stability.
Select the model for direct or reverse acting proportional action. The throttling range is factory set and is field adjustable. Item is pictured with optional cover and scale plate assembled.
item
CTC-1621 CTC-1622
Descriptions Direct acting
Reverse acting
Model
Two-Pipe, Deadband, Room Thermostat CTC-1631/1632
Description
The CTC-1631/1632 thermostats are designed for proportional control of pneumatic valve and damper actuators used in HVAC systems. A temperature span may be set so the system uses no energy for either heating or cooling between selected setpoints. For accuracy and stability, they utilize highly sensitive bimetal elements with feedback and a pilot bleed relay.
Select model for direct or reverse acting proportional action. The throttling range is factory set and field adjustable. Item is pictured with optional cover and scale plate assembled.